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| author | Max Chou <max.chou@sifive.com> | 2023-10-26 23:18:19 +0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2023-11-07 11:06:02 +1000 |
| commit | 434c609bef445e0dd13d514c5b12f8e47a73cd1d (patch) | |
| tree | 10e5777be67f8c75e16ee8e4e6aead7431a8b4da /disas | |
| parent | ea363626ff65b2b8e6c590812f89546d5779612f (diff) | |
| download | qemu-434c609bef445e0dd13d514c5b12f8e47a73cd1d.zip qemu-434c609bef445e0dd13d514c5b12f8e47a73cd1d.tar.gz qemu-434c609bef445e0dd13d514c5b12f8e47a73cd1d.tar.bz2 | |
disas/riscv: Add rv_codec_vror_vi for vror.vi
Add rv_codec_vror_vi for the vector crypto instruction - vror.vi.
The rotate amount of vror.vi is defined by combining seperated bits.
Signed-off-by: Max Chou <max.chou@sifive.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20231026151828.754279-13-max.chou@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'disas')
| -rw-r--r-- | disas/riscv.c | 14 | ||||
| -rw-r--r-- | disas/riscv.h | 1 |
2 files changed, 14 insertions, 1 deletions
diff --git a/disas/riscv.c b/disas/riscv.c index 8e89e1d..ec33e44 100644 --- a/disas/riscv.c +++ b/disas/riscv.c @@ -4011,6 +4011,12 @@ static uint32_t operand_vzimm10(rv_inst inst) return (inst << 34) >> 54; } +static uint32_t operand_vzimm6(rv_inst inst) +{ + return ((inst << 37) >> 63) << 5 | + ((inst << 44) >> 59); +} + static uint32_t operand_bs(rv_inst inst) { return (inst << 32) >> 62; @@ -4393,6 +4399,12 @@ static void decode_inst_operands(rv_decode *dec, rv_isa isa) dec->imm = operand_vimm(inst); dec->vm = operand_vm(inst); break; + case rv_codec_vror_vi: + dec->rd = operand_rd(inst); + dec->rs2 = operand_rs2(inst); + dec->imm = operand_vzimm6(inst); + dec->vm = operand_vm(inst); + break; case rv_codec_vsetvli: dec->rd = operand_rd(inst); dec->rs1 = operand_rs1(inst); @@ -4677,7 +4689,7 @@ static void format_inst(char *buf, size_t buflen, size_t tab, rv_decode *dec) append(buf, tmp, buflen); break; case 'u': - snprintf(tmp, sizeof(tmp), "%u", ((uint32_t)dec->imm & 0b11111)); + snprintf(tmp, sizeof(tmp), "%u", ((uint32_t)dec->imm & 0b111111)); append(buf, tmp, buflen); break; case 'j': diff --git a/disas/riscv.h b/disas/riscv.h index b242d73..19e5ed2 100644 --- a/disas/riscv.h +++ b/disas/riscv.h @@ -152,6 +152,7 @@ typedef enum { rv_codec_v_i, rv_codec_vsetvli, rv_codec_vsetivli, + rv_codec_vror_vi, rv_codec_zcb_ext, rv_codec_zcb_mul, rv_codec_zcb_lb, |